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import logging
from gi.repository import GObject
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import Pango
from sugar3.graphics import style
from sugar3.graphics.palette import Palette
from sugar3.graphics.palettemenu import PaletteMenuItem
from sugar3.graphics.palette import ToolInvoker
from sugar3.graphics.icon import Icon
class FilterToolItem(Gtk.ToolButton):
_LABEL_MAX_WIDTH = 18
_MAXIMUM_PALETTE_COLUMNS = 4
__gsignals__ = {
'changed': (GObject.SignalFlags.RUN_LAST, None, ([str])), }
def __init__(self, default_icon, default_value, options, palette_title):
self._palette_invoker = ToolInvoker()
self._options = options
self._palette_title = palette_title
Gtk.ToolButton.__init__(self)
logging.error('filter options %s', options)
self._value = default_value
self._label = self._options[default_value]
self.set_is_important(True)
self.set_size_request(style.GRID_CELL_SIZE, -1)
self._label_widget = Gtk.Label()
self._label_widget.set_alignment(0.0, 0.5)
self._label_widget.set_ellipsize(Pango.EllipsizeMode.MIDDLE)
self._label_widget.set_max_width_chars(self._LABEL_MAX_WIDTH)
self._label_widget.set_use_markup(True)
self._label_widget.set_markup(self._label)
self.set_label_widget(self._label_widget)
self._label_widget.show()
self.set_widget_icon(icon_name=default_icon)
self._hide_tooltip_on_click = True
self._palette_invoker.attach_tool(self)
self._palette_invoker.props.toggle_palette = True
self._palette_invoker.props.lock_palette = True
self.palette = Palette(self._palette_title)
self.palette.set_invoker(self._palette_invoker)
self.props.palette.set_content(self.set_palette_list(options))
def set_options(self, options):
self._options = options
self.palette = Palette(self._palette_title)
self.palette.set_invoker(self._palette_invoker)
self.props.palette.set_content(self.set_palette_list(options))
if self._value not in self._options.keys():
new_value = self._options.keys()[0]
self._value = new_value
self._set_widget_label(self._options[new_value])
self.emit('changed', new_value)
def set_widget_icon(self, icon_name=None):
icon = Icon(icon_name=icon_name,
icon_size=style.SMALL_ICON_SIZE)
self.set_icon_widget(icon)
icon.show()
def _set_widget_label(self, label=None):
# FIXME: Ellipsis is not working on these labels.
if label is None:
label = self._label
if len(label) > self._LABEL_MAX_WIDTH:
label = label[0:7] + '...' + label[-7:]
self._label_widget.set_markup(label)
self._label = label
def __destroy_cb(self, icon):
if self._palette_invoker is not None:
self._palette_invoker.detach()
def create_palette(self):
return None
def get_palette(self):
return self._palette_invoker.palette
def set_palette(self, palette):
self._palette_invoker.palette = palette
palette = GObject.property(
type=object, setter=set_palette, getter=get_palette)
def get_palette_invoker(self):
return self._palette_invoker
def set_palette_invoker(self, palette_invoker):
self._palette_invoker.detach()
self._palette_invoker = palette_invoker
palette_invoker = GObject.property(
type=object, setter=set_palette_invoker, getter=get_palette_invoker)
def do_draw(self, cr):
if self.palette and self.palette.is_up():
allocation = self.get_allocation()
# draw a black background, has been done by the engine before
cr.set_source_rgb(0, 0, 0)
cr.rectangle(0, 0, allocation.width, allocation.height)
cr.paint()
Gtk.ToolButton.do_draw(self, cr)
if self.palette and self.palette.is_up():
invoker = self.palette.props.invoker
invoker.draw_rectangle(cr, self.palette)
return False
def set_palette_list(self, options):
_menu_item = PaletteMenuItem(text_label=options[options.keys()[0]])
req2 = _menu_item.get_preferred_size()[1]
menuitem_width = req2.width
menuitem_height = req2.height
palette_width = Gdk.Screen.width() - style.GRID_CELL_SIZE
palette_height = Gdk.Screen.height() - style.GRID_CELL_SIZE * 3
nx = min(self._MAXIMUM_PALETTE_COLUMNS,
int(palette_width / menuitem_width))
ny = min(int(palette_height / menuitem_height), len(options) + 1)
if ny >= len(options):
nx = 1
ny = len(options)
grid = Gtk.Grid()
grid.set_row_spacing(style.DEFAULT_PADDING)
grid.set_column_spacing(0)
grid.set_border_width(0)
grid.show()
x = 0
y = 0
for key in sorted(options):
menu_item = PaletteMenuItem()
menu_item.set_label(options[key])
menu_item.set_size_request(style.GRID_CELL_SIZE * 3, -1)
menu_item.connect('button-release-event', self._option_selected,
key)
grid.attach(menu_item, x, y, 1, 1)
x += 1
if x == nx:
x = 0
y += 1
menu_item.show()
if palette_height < (y * menuitem_height + style.GRID_CELL_SIZE):
# if the grid is bigger than the palette, put in a scrolledwindow
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
scrolled_window.set_size_request(nx * menuitem_width,
(ny + 1) * menuitem_height)
scrolled_window.add_with_viewport(grid)
return scrolled_window
else:
return grid
def _option_selected(self, menu_item, event, key):
self._set_widget_label(self._options[key])
self._value = key
self.emit('changed', key)
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